. Author manuscript; available in PMC: 2021 Apr 23.

Published in final edited form as: Am J Surg Pathol. 2018 Aug;42(8):1010–1026. doi: 10.1097/PAS.0000000000001086

Table 3.

Comparison table of proximal- and distal-type bronchiolar adenomas

	Proximal-type BA	Distal-type BA
Cases/Patients	8/8	17/14
Median age (range)	76 (68–83)	71 (55–83)
M:F	5:3	6:8
Ethnicity	2 Asian 4 Caucasian 2 Not specified	9 Caucasian 5 Not specified
Median tumor size (range)	1.0 cm (0.3 – 2.0 cm)	0.5 cm (0.2 – 1.9 cm)
Driver mutations BRAF EGFR KRAS HRAS	1 (12%) 2 (25%) 2 (25%) 0	Out of 13 with molecular: 7 (54%) 2 (15%) 3 (23%) 1 (8%)
Total with driver	5 (62%)	13 (100%)